Early theories in second language acquisition /; Bill VanPatten, Jessica Williams
; Linguistic theory, universal grammar, and second language acquisition /; Lydia White
; One functional approach to second language acquisition : the concept-oriented approach /; Kathleen Bardovi-Harlig
; The associative-cognitive CREED /; Nick C. Ellis
; Skill acquisition theory /; Robert DeKeyser
; Input processing in adult second language acquisition /; Bill VanPatten
; Processability theory /; Manfred Pienemann
; Autonomous induction theory /; Susanne E. Carroll
; Input, interaction, and output in second language acquisition /; Susan M. Gass, Alison Mackey
; Sociocultural theory and second language learning /; James P. Lantolf, Steven L. Thorne
; Second language learning explained? SLA across nine contemporary theories /; Lourdes Ortega.